Remove '5' from project names and rename to 'examples'

Author: marcphilipp

.github/workflows/build-all-samples.yml renamed to .github/workflows/build-all-examples.yml

@@ -1,4 +1,4 @@
-name: Build all samples
+name: Build all examples
 on:
   push:
     branches:
@@ -23,11 +23,11 @@ jobs:
           java-version: 21
           distribution: temurin
       - uses: sbt/setup-sbt@6c68d2fe8dfbc0a0534d70101baa2e0420e1a506 # v1.1.9
-      - name: 'Build all samples using JShell'
+      - name: 'Build all examples using JShell'
         run: java src/Builder.java
       - name: 'Check automation for updating versions'
         run: java src/Updater.java 42
-        if: github.repository == 'junit-team/junit5-samples' && github.ref == 'refs/heads/main'
+        if: github.repository == 'junit-team/junit-examples' && github.ref == 'refs/heads/main'
       - name: 'Check automation for injecting a staging repository'
         run: java src/StagingRepoInjector.java https://example.org/service/local/repositories/orgjunit-1234/content
-        if: github.repository == 'junit-team/junit5-samples' && github.ref == 'refs/heads/main'
+        if: github.repository == 'junit-team/junit-examples' && github.ref == 'refs/heads/main'